(6R,9S)-1-aza-3-amino-4-benzyl-9-<(tert-butyldimethylsiloxy)methyl>-2-oxobicyclo<4.3.0>non-3-ene

Base Information

• Chemical Name: (6R,9S)-1-aza-3-amino-4-benzyl-9-<(tert-butyldimethylsiloxy)methyl>-2-oxobicyclo<4.3.0>non-3-ene
• CAS No.: 161555-31-3
• Molecular Formula: C₂₂H₃₄N₂O₂Si
• Molecular Weight: 386.61
• Mol file: 161555-31-3.mol

Synonyms:(6R,9S)-1-aza-3-amino-4-benzyl-9-<(tert-butyldimethylsiloxy)methyl>-2-oxobicyclo<4.3.0>non-3-ene

Chemical Property of (6R,9S)-1-aza-3-amino-4-benzyl-9-<(tert-butyldimethylsiloxy)methyl>-2-oxobicyclo<4.3.0>non-3-ene

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (6R,9S)-1-aza-3-amino-4-benzyl-9-<(tert-butyldimethylsiloxy)methyl>-2-oxobicyclo<4.3.0>non-3-ene

There total 9 articles about (6R,9S)-1-aza-3-amino-4-benzyl-9-<(tert-butyldimethylsiloxy)methyl>-2-oxobicyclo<4.3.0>non-3-ene which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 45.0%

(9S)-1-aza-4-benzyl-9-<(tert-butyldimethylsiloxy)methyl>-3-hydroxy-2-oxobicyclo<4.3.0>non-3-ene → (6S,9S)-1-aza-3-amino-4-benzyl-9-<(tert-butyldimethylsiloxy)methyl>-2-oxobicyclo<4.3.0>non-3-ene (161659-71-8) + (6R,9S)-1-aza-3-amino-4-benzyl-9-<(tert-butyldimethylsiloxy)methyl>-2-oxobicyclo<4.3.0>non-3-ene (161555-31-3)

Guidance literature:

With ammonia; In methanol; 1.) 0 deg C, 2.) room temperature, 3 d;

DOI:10.1021/jo00130a015

Reference yield:

(9S)-1-aza-4-(chlorobenzyl)-9-(hydroxymethyl)-2-oxobicyclo<4.3.0>nonane → (6R,9S)-1-aza-3-amino-4-benzyl-9-<(tert-butyldimethylsiloxy)methyl>-2-oxobicyclo<4.3.0>non-3-ene (161555-31-3)

Guidance literature:

Multi-step reaction with 4 steps

1: 78 percent / H₂, NaOMe / 5percent Pd/C / methanol

2: 90 percent / DBU / CH₂Cl₂ / 1 h / Ambient temperature

3: 63 percent / n-BuLi, diisopropylamine, O₂ / tetrahydrofuran; hexane / 0.5 h / -78 °C

4: 45 percent / NH₃ / methanol / 1.) 0 deg C, 2.) room temperature, 3 d

With n-butyllithium; ammonia; hydrogen; oxygen; sodium methylate; 1,8-diazabicyclo[5.4.0]undec-7-ene; diisopropylamine; palladium on activated charcoal; In tetrahydrofuran; methanol; hexane; dichloromethane;

DOI:10.1021/jo00130a015

Reference yield:

(2S)-2-<(benzyloxy)methyl>-5-methoxy-1-(3-phenyl-4-pentenoyl)pyrrolidine → (6R,9S)-1-aza-3-amino-4-benzyl-9-<(tert-butyldimethylsiloxy)methyl>-2-oxobicyclo<4.3.0>non-3-ene (161555-31-3)

Guidance literature:

Multi-step reaction with 5 steps

1: 90 percent / TiCl₄ / CH₂Cl₂ / Ambient temperature

2: 78 percent / H₂, NaOMe / 5percent Pd/C / methanol

3: 90 percent / DBU / CH₂Cl₂ / 1 h / Ambient temperature

4: 63 percent / n-BuLi, diisopropylamine, O₂ / tetrahydrofuran; hexane / 0.5 h / -78 °C

5: 45 percent / NH₃ / methanol / 1.) 0 deg C, 2.) room temperature, 3 d

With n-butyllithium; ammonia; hydrogen; oxygen; sodium methylate; titanium tetrachloride; 1,8-diazabicyclo[5.4.0]undec-7-ene; diisopropylamine; palladium on activated charcoal; In tetrahydrofuran; methanol; hexane; dichloromethane;

DOI:10.1021/jo00130a015

upstream raw materials:

tert-butyldimethylsilyl chloride

(S)-1-Pyrrolidin-2-yl-methanol

Downstream raw materials:

(6R,9S)-1-aza-4-benzyl-3-<amino>-9-carboxy-2-oxobicyclo<4.3.0>non-3-ene

(6R,9S)-1-aza-4-benzyl-3-<amino>-9-(hydroxymethyl)-2-oxobicyclo<4.3.0>non-3-ene

(6R,9S,12S)-1-aza-3-(pyroglutamylamino)-4-benzyl-9-<<(tert-butyldimethylsilyl)oxy>methyl>-2-oxobicyclo<4.3.0>nonene